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Finding the Fourth Proportional to 64,875.60, 97,313.40 and 17,490.60

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Solution

The fourth proportional to 64,875.60, 97,313.40 and 17,490.60 is: 26,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,875.60 : 97,313.40 = 17,490.60 : x
  2. Step 2: Convert to fraction form
    64,875.60/97,313.40 = 17,490.60/x
  3. Step 3: Cross multiply
    64,875.60x = 97,313.40 × 17,490.60
  4. Step 4: Simplify right side
    64,875.60x = 1,702,069,754.04
  5. Step 5: Solve for x
    x = 1,702,069,754.04/64,875.60
  6. Step 6: Final answer
    x = 26,235.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.